#include "os_common.h"

void
Mds_reset_descriptor(PADAPTER Adapter)
{
	PMDS pMds = &Adapter->Mds;

	pMds->TxPause = 0;
	pMds->TxThreadCount = 0;
	pMds->TxFillIndex = 0;
	pMds->TxDesIndex = 0;
	pMds->ScanTxPause = 0;
	memset(pMds->TxOwner, 0, ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03));
}

unsigned char
Mds_initial(PADAPTER Adapter)
{
	PMDS pMds = &Adapter->Mds;

	pMds->TxPause = FALSE;
	pMds->TxRTSThreshold = DEFAULT_RTSThreshold;
	pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;

	vRxTimerInit(Adapter);//for WPA countermeasure

	return hal_get_tx_buffer( &Adapter->sHwData, &pMds->pTxBuffer );
}

void
Mds_Destroy(PADAPTER Adapter)
{
	vRxTimerStop(Adapter);
}

void
Mds_Tx(PADAPTER Adapter)
{
	phw_data_t	pHwData = &Adapter->sHwData;
	PMDS		pMds = &Adapter->Mds;
	DESCRIPTOR	TxDes;
	PDESCRIPTOR	pTxDes = &TxDes;
	PUCHAR		XmitBufAddress;
	u16		XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
	u8		FillIndex, TxDesIndex, FragmentCount, FillCount;
	unsigned char	BufferFilled = FALSE, MICAdd = 0;


	//931130.5.a
	if (pMds->TxPause)
		return;
	// 20060717.3 Add
	if (!hal_driver_init_OK(pHwData))
		return;

	//Only one thread can be run here
	if (OS_ATOMIC_INC( Adapter, &pMds->TxThreadCount) == 1)	{
		// Start to fill the data
		do {
			FillIndex = pMds->TxFillIndex;
			if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No
				#ifdef _PE_TX_DUMP_
				WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n"));
				#endif
				break;
			}

			XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer
			XmitBufSize = 0;
			FillCount = 0;
			do {
				// Sending packet path
				PacketFrom = 1;
				PacketSize = QUERY_SIZE_FIRST( Adapter );
				if (!PacketSize) {
					if (1) { // If driver doesn't run in test mode, send MLME and normal data frame
						PacketFrom = 2;
						PacketSize = QUERY_SIZE_SECOND(Adapter);
						if (!PacketSize) {
							if (pMds->ScanTxPause)	//No management frames to transmit.
								break;				//The scanning is progressing, so stop the data
												//frames transmission
							PacketFrom = 3;
							PacketSize = QUERY_SIZE_THIRD( Adapter );
							if (!PacketSize)
								break;
						}
					}
					else
						break;
				}

				//For Check the buffer resource
				FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
				//931130.5.b
				FragmentCount = PacketSize/FragmentThreshold + 1;
				stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC
				if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
					#ifdef _PE_TX_DUMP_
					WBDEBUG(("[Mds_Tx] Excess max tx buffer.\n"));
					#endif
					break; // buffer is not enough
				}


				//
				// Start transmitting
				//
				BufferFilled = TRUE;

				DESCRIPTOR_RESET(pTxDes);
				TxDesIndex = pMds->TxDesIndex;//Get the current ID
				DESCRIPTOR_SET_ID( pTxDes, TxDesIndex );
				pMds->TxDesFrom[ TxDesIndex ] = PacketFrom;//Storing the information of source comming from
				pMds->TxDesIndex++;
				pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;

				// Get packet to transmit, 1:TESTSTA 2:MLME 3: Ndis data
				if (PacketFrom == 3)
					{ GET_DESCRIPTOR_THIRD( Adapter, pTxDes ); }
				else if (PacketFrom == 2)
					{ GET_DESCRIPTOR_SECOND( Adapter, pTxDes ); }
				else if (PacketFrom == 1)
					{ GET_DESCRIPTOR_FIRST( Adapter, pTxDes ); }

				// Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type
				Mds_HeaderCopy( Adapter, pTxDes, XmitBufAddress );

				// For speed up Key setting
				if (pTxDes->EapFix) {
					#ifdef _PE_TX_DUMP_
					WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize));
					#endif
					pHwData->IsKeyPreSet = 1;
				}

				// Copy (fragment) frame body, and set USB, 802.11 hdr flag
				CurrentSize = Mds_BodyCopy(Adapter, pTxDes, XmitBufAddress);

				// Set RTS/CTS and Normal duration field into buffer
				Mds_DurationSet(Adapter, pTxDes, XmitBufAddress);

				//
				// Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte
				// 931130.5.e
				if( MICAdd )
					Mds_MicFill( Adapter, pTxDes, XmitBufAddress );

				//Shift to the next address
				XmitBufSize += CurrentSize;
				XmitBufAddress += CurrentSize;

				#ifdef _IBSS_BEACON_SEQ_STICK_
				if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr
				#endif
					pMds->TxToggle = TRUE;

				#ifdef _PE_TX_DUMP_
				WBDEBUG((">>Send MSDU\n"));
				if (XmitBufSize > 0) {
					PUCHAR ptr;

					ptr = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex);
					WBDEBUG(("=== DUMP TX MSDU ===, size=%d\n", XmitBufSize));
					DataDmp( ptr, XmitBufSize, 0);
				}
				#endif

				// Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data
				if (PacketFrom == 3)
					{ GET_DESCRIPTOR_THIRD_COMPLETED( Adapter, pTxDes ); }
				else if (PacketFrom == 2)
					{ GET_DESCRIPTOR_SECOND_COMPLETED( Adapter, pTxDes ); }
				else if (PacketFrom == 1)
					{ GET_DESCRIPTOR_FIRST_COMPLETED( Adapter, pTxDes ); }

				// Software TSC count 20060214
				pMds->TxTsc++;
				if (pMds->TxTsc == 0)
					pMds->TxTsc_2++;

				FillCount++; // 20060928
			} while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. FALSE = single TRUE = multiple sending

			// Move to the next one, if necessary
			if (BufferFilled) {
				// size setting
				pMds->TxBufferSize[ FillIndex ] = XmitBufSize;

				// 20060928 set Tx count
				pMds->TxCountInBuffer[FillIndex] = FillCount;

				// Set owner flag
				pMds->TxOwner[FillIndex] = 1;

				pMds->TxFillIndex++;
				pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER;
				BufferFilled = FALSE;
			} else
				break;

			if (!PacketSize) // No more pk for transmitting
				break;

		} while(TRUE);

		//
		// Start to send by lower module
		//
		if (!pHwData->IsKeyPreSet)
			Wb35Tx_start(pHwData);
	}

	OS_ATOMIC_DEC( Adapter, &pMds->TxThreadCount );
}

void
Mds_SendComplete(PADAPTER Adapter, PT02_DESCRIPTOR pT02)
{
	PMDS	pMds = &Adapter->Mds;
	phw_data_t	pHwData = &Adapter->sHwData;
	u8	PacketId = (u8)pT02->T02_Tx_PktID;
	unsigned char	SendOK = TRUE;
	u8	RetryCount, TxRate;

	if (pT02->T02_IgnoreResult) // Don't care the result
		return;
	if (pT02->T02_IsLastMpdu) {
		//TODO: DTO -- get the retry count and fragment count
		// Tx rate
		TxRate = pMds->TxRate[ PacketId ][ 0 ];
		RetryCount = (u8)pT02->T02_MPDU_Cnt;
		if (pT02->value & FLAG_ERROR_TX_MASK) {
			SendOK = FALSE;
			#ifdef _PE_DTO_DUMP_
			WBDEBUG(("Mds Tx Fail[%d] = %8x\n", PacketId, pT02->value ));
			#endif
			if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
				//retry error
				pHwData->dto_tx_retry_count += (RetryCount+1);
				//[for tx debug]
				if (RetryCount<7)
					pHwData->tx_retry_count[RetryCount] += RetryCount;
				else
					pHwData->tx_retry_count[7] += RetryCount;
				#ifdef _PE_STATE_DUMP_
				WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count));
				#endif
				MTO_SetTxCount(Adapter, TxRate, RetryCount);
			}
			pHwData->dto_tx_frag_count += (RetryCount+1);

			//[for tx debug]
			if (pT02->T02_transmit_abort_due_to_TBTT)
				pHwData->tx_TBTT_start_count++;
			//if (pT02->T02_effective_transmission_rate)
			//	pHwData->tx_ETR_count++;
			if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
				pHwData->tx_WepOn_false_count++;
			if (pT02->T02_discard_due_to_null_wep_key)
				pHwData->tx_Null_key_count++;
		} else {
			if (pT02->T02_effective_transmission_rate)
				pHwData->tx_ETR_count++;
			MTO_SetTxCount(Adapter, TxRate, RetryCount);
		}

		// Return result
		if( pMds->TxDesFrom[ PacketId ] == 3 )
			{ COMPLETE_DESCRIPTOR_THIRD( Adapter, PacketId, SendOK ); }
		else if( pMds->TxDesFrom[ PacketId ] == 2 )
			{ }
		else if( pMds->TxDesFrom[ PacketId ] == 1 )
			{ COMPLETE_DESCRIPTOR_FIRST( Adapter, PacketId, SendOK ); }

		//The next 802.1x message callback after 2 MIC error occur within 60s
		//TODO: ?? Don't care whether the next 802.1x message is transmitted successfully??
		if (pMds->TxInfo[PacketId] == 1) {
			// It needs to send disassoc. frame no matter the connection is still
			// alive or not(AP disassoc. us).
			#ifdef _PE_STATE_DUMP_
			WBDEBUG(("!!Countermeasure, disassoc !!\n"));
			#endif
			pMds->TxInfo[PacketId] = 0;
			WARN_ON(1);
		}
		// Clear send result buffer
		pMds->TxResult[ PacketId ] = 0;
	} else
		pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff));
}

void
Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
{
	PMDS	pMds = &Adapter->Mds;
	PUCHAR	src_buffer = pDes->buffer_address[0];//931130.5.g
	PT00_DESCRIPTOR	pT00;
	PT01_DESCRIPTOR	pT01;
	u16	stmp;
	u8	i, ctmp1, ctmp2, ctmpf;
	u16	FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;


	stmp = pDes->buffer_total_size;
	//
	// Set USB header 8 byte
	//
	pT00 = (PT00_DESCRIPTOR)TargetBuffer;
	TargetBuffer += 4;
	pT01 = (PT01_DESCRIPTOR)TargetBuffer;
	TargetBuffer += 4;

	pT00->value = 0;// Clear
	pT01->value = 0;// Clear

	pT00->T00_tx_packet_id = pDes->Descriptor_ID;// Set packet ID
	pT00->T00_header_length = 24;// Set header length
	pT01->T01_retry_abort_ebable = 1;//921013 931130.5.h

	// Key ID setup
	pT01->T01_wep_id = 0;

	FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;	//Do not fragment
	// Copy full data, the 1'st buffer contain all the data 931130.5.j
	memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE );// Copy header
	pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE;
	pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE;
	pDes->buffer_size[0] = pDes->buffer_total_size;

	// Set fragment threshold
	FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4);
	pDes->FragmentThreshold = FragmentThreshold;

	// Set more frag bit
	TargetBuffer[1] |= 0x04;// Set more frag bit

	//
	// Set tx rate
	//
	stmp = *(PUSHORT)(TargetBuffer+30); // 2n alignment address

	//Use basic rate
	ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG;

	pDes->TxRate = ctmp1;
	#ifdef _PE_TX_DUMP_
	WBDEBUG(("Tx rate =%x\n", ctmp1));
	#endif

	pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1;

	for( i=0; i<2; i++ ) {
		if( i == 1 )
			ctmp1 = ctmpf;

		pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; // backup the ta rate and fall back rate

		if( ctmp1 == 108) ctmp2 = 7;
		else if( ctmp1 == 96 ) ctmp2 = 6; // Rate convert for USB
		else if( ctmp1 == 72 ) ctmp2 = 5;
		else if( ctmp1 == 48 ) ctmp2 = 4;
		else if( ctmp1 == 36 ) ctmp2 = 3;
		else if( ctmp1 == 24 ) ctmp2 = 2;
		else if( ctmp1 == 18 ) ctmp2 = 1;
		else if( ctmp1 == 12 ) ctmp2 = 0;
		else if( ctmp1 == 22 ) ctmp2 = 3;
		else if( ctmp1 == 11 ) ctmp2 = 2;
		else if( ctmp1 == 4  ) ctmp2 = 1;
		else ctmp2 = 0; // if( ctmp1 == 2  ) or default

		if( i == 0 )
			pT01->T01_transmit_rate = ctmp2;
		else
			pT01->T01_fall_back_rate = ctmp2;
	}

	//
	// Set preamble type
	//
	if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0))	// RATE_1M
		pDes->PreambleMode =  WLAN_PREAMBLE_TYPE_LONG;
	else
		pDes->PreambleMode =  CURRENT_PREAMBLE_MODE;
	pT01->T01_plcp_header_length = pDes->PreambleMode;	// Set preamble

}

// The function return the 4n size of usb pk
u16
Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
{
	PT00_DESCRIPTOR	pT00;
	PMDS	pMds = &Adapter->Mds;
	PUCHAR	buffer, src_buffer, pctmp;
	u16	Size = 0;
	u16	SizeLeft, CopySize, CopyLeft, stmp;
	u8	buf_index, FragmentCount = 0;


	// Copy fragment body
	buffer = TargetBuffer; // shift 8B usb + 24B 802.11
	SizeLeft = pDes->buffer_total_size;
	buf_index = pDes->buffer_start_index;

	pT00 = (PT00_DESCRIPTOR)buffer;
	while (SizeLeft) {
		pT00 = (PT00_DESCRIPTOR)buffer;
		CopySize = SizeLeft;
		if (SizeLeft > pDes->FragmentThreshold) {
			CopySize = pDes->FragmentThreshold;
			pT00->T00_frame_length = 24 + CopySize;//Set USB length
		} else
			pT00->T00_frame_length = 24 + SizeLeft;//Set USB length

		SizeLeft -= CopySize;

		// 1 Byte operation
		pctmp = (PUCHAR)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
		*pctmp &= 0xf0;
		*pctmp |= FragmentCount;//931130.5.m
		if( !FragmentCount )
			pT00->T00_first_mpdu = 1;

		buffer += 32; // 8B usb + 24B 802.11 header
		Size += 32;

		// Copy into buffer
		stmp = CopySize + 3;
		stmp &= ~0x03;//4n Alignment
		Size += stmp;// Current 4n offset of mpdu

		while( CopySize )
		{
			// Copy body
			src_buffer = pDes->buffer_address[buf_index];
			CopyLeft = CopySize;
			if( CopySize >= pDes->buffer_size[buf_index] )
			{
				CopyLeft = pDes->buffer_size[buf_index];

				// Get the next buffer of descriptor
				buf_index++;
				buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
			}
			else
			{
				PUCHAR	pctmp = pDes->buffer_address[buf_index];
				pctmp += CopySize;
				pDes->buffer_address[buf_index] = pctmp;
				pDes->buffer_size[buf_index] -= CopySize;
			}

			memcpy( buffer,	src_buffer, CopyLeft );
			buffer += CopyLeft;
			CopySize -= CopyLeft;
		}

		// 931130.5.n
		if( pMds->MicAdd )
		{
			if( !SizeLeft ) //931130.5.o
			{
				pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd;
				pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd;
				pMds->MicAdd = 0;
			}
			else if( SizeLeft < 8 ) //931130.5.p
			{
				pMds->MicAdd = SizeLeft;
				pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft );
				pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft;
				pMds->MicWriteIndex++;
			}
		}

		// Does it need to generate the new header for next mpdu?
		if( SizeLeft )
		{
			buffer = TargetBuffer + Size; // Get the next 4n start address
			memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11
			pT00 = (PT00_DESCRIPTOR)buffer;
			pT00->T00_first_mpdu = 0;
		}

		FragmentCount++;
	}

	pT00->T00_last_mpdu = 1;
	pT00->T00_IsLastMpdu = 1;
	buffer = (PUCHAR)pT00 + 8; // +8 for USB hdr
	buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control
	pDes->FragmentCount = FragmentCount; // Update the correct fragment number
	return Size;
}


void
Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR buffer )
{
	PT00_DESCRIPTOR	pT00;
	PT01_DESCRIPTOR	pT01;
	u16	Duration, NextBodyLen, OffsetSize;
	u8	Rate, i;
	unsigned char	CTS_on = FALSE, RTS_on = FALSE;
	PT00_DESCRIPTOR pNextT00;
	u16 BodyLen;
	unsigned char boGroupAddr = FALSE;


	OffsetSize = pDes->FragmentThreshold + 32 + 3;
	OffsetSize &= ~0x03;
	Rate = pDes->TxRate >> 1;
	if (!Rate)
		Rate = 1;

	pT00 = (PT00_DESCRIPTOR)buffer;
	pT01 = (PT01_DESCRIPTOR)(buffer+4);
	pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);

	if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr
		boGroupAddr = TRUE;

	//========================================
	// Set RTS/CTS mechanism
	//========================================
	if (!boGroupAddr)
	{
		//NOTE : If the protection mode is enabled and the MSDU will be fragmented,
		//		 the tx rates of MPDUs will all be DSSS rates. So it will not use
		//		 CTS-to-self in this case. CTS-To-self will only be used when without
		//		 fragmentation. -- 20050112
		BodyLen = (u16)pT00->T00_frame_length;	//include 802.11 header
		BodyLen += 4;	//CRC

		if( BodyLen >= CURRENT_RTS_THRESHOLD )
			RTS_on = TRUE; // Using RTS
		else
		{
			if( pT01->T01_modulation_type ) // Is using OFDM
			{
				if( CURRENT_PROTECT_MECHANISM ) // Is using protect
					CTS_on = TRUE; // Using CTS
			}
		}
	}

	if( RTS_on || CTS_on )
	{
		if( pT01->T01_modulation_type) // Is using OFDM
		{
			//CTS duration
			// 2 SIFS + DATA transmit time + 1 ACK
			// ACK Rate : 24 Mega bps
			// ACK frame length = 14 bytes
			Duration = 2*DEFAULT_SIFSTIME +
					   2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
					   ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
					   ((112 + 22 + 95)/96)*Tsym;
		}
		else	//DSSS
		{
			//CTS duration
			// 2 SIFS + DATA transmit time + 1 ACK
			// Rate : ?? Mega bps
			// ACK frame length = 14 bytes
			if( pT01->T01_plcp_header_length ) //long preamble
				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
			else
				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;

			Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate +
						DEFAULT_SIFSTIME*2 );
		}

		if( RTS_on )
		{
			if( pT01->T01_modulation_type ) // Is using OFDM
			{
				//CTS + 1 SIFS + CTS duration
				//CTS Rate : 24 Mega bps
				//CTS frame length = 14 bytes
				Duration += (DEFAULT_SIFSTIME + 
								PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
								((112 + 22 + 95)/96)*Tsym);
			}
			else
			{
				//CTS + 1 SIFS + CTS duration
				//CTS Rate : ?? Mega bps
				//CTS frame length = 14 bytes
				if( pT01->T01_plcp_header_length ) //long preamble
					Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
				else
					Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;

				Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME );
			}
		}

		// Set the value into USB descriptor
		pT01->T01_add_rts = RTS_on ? 1 : 0;
		pT01->T01_add_cts = CTS_on ? 1 : 0;
		pT01->T01_rts_cts_duration = Duration;
	}

	//=====================================
	// Fill the more fragment descriptor
	//=====================================
	if( boGroupAddr )
		Duration = 0;
	else
	{
		for( i=pDes->FragmentCount-1; i>0; i-- )
		{
			NextBodyLen = (u16)pNextT00->T00_frame_length;
			NextBodyLen += 4;	//CRC

			if( pT01->T01_modulation_type )
			{
				//OFDM
				// data transmit time + 3 SIFS + 2 ACK
				// Rate : ??Mega bps
				// ACK frame length = 14 bytes, tx rate = 24M
				Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
				Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
							(((2*14)*8 + 22 + 95)/96)*Tsym +
							DEFAULT_SIFSTIME*3);
			}
			else
			{
				//DSSS
				// data transmit time + 2 ACK + 3 SIFS
				// Rate : ??Mega bps
				// ACK frame length = 14 bytes
				//TODO :
				if( pT01->T01_plcp_header_length ) //long preamble
					Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
				else
					Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;

				Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
							DEFAULT_SIFSTIME*3 );
			}

			((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
			
			//----20061009 add by anson's endian
			pNextT00->value = cpu_to_le32(pNextT00->value);
			pT01->value = cpu_to_le32( pT01->value );
			//----end 20061009 add by anson's endian

			buffer += OffsetSize;
			pT01 = (PT01_DESCRIPTOR)(buffer+4);
			if (i != 1)	//The last fragment will not have the next fragment
				pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
		}

		//=====================================
		// Fill the last fragment descriptor
		//=====================================
		if( pT01->T01_modulation_type )
		{
			//OFDM
			// 1 SIFS + 1 ACK
			// Rate : 24 Mega bps
			// ACK frame length = 14 bytes
			Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
			//The Tx rate of ACK use 24M
			Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME );
		}
		else
		{
			// DSSS
			// 1 ACK + 1 SIFS
			// Rate : ?? Mega bps
			// ACK frame length = 14 bytes(112 bits)
			if( pT01->T01_plcp_header_length ) //long preamble
				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
			else
				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;

			Duration += ( (112 + Rate-1)/Rate +	DEFAULT_SIFSTIME );
		}
	}

	((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
	#if 0  //20061009 marked by anson's endian
	#ifdef WB_LINUX // Suitable for Big/Little endian
	{
	
		u32	ltmp;
		ltmp = pT00->T00_frame_length;
		ltmp |= (pT00->T00_header_length<<12);
		ltmp |= (pT00->T00_tx_packet_id<<22);
		ltmp |= (pT00->T00_IgnoreResult<<28);
		ltmp |= (pT00->T00_IsLastMpdu<<29);
		ltmp |= (pT00->T00_last_mpdu<<30);
		ltmp |= (pT00->T00_first_mpdu<<31);
		pT00->value = cpu_to_le32( ltmp );

		ltmp = pT01->T01_retry_abort_ebable;
		ltmp |= (pT01->T01_wep_id<<4);
		ltmp |= (pT01->T01_transmit_rate<<6);
		ltmp |= (pT01->T01_plcp_header_length<<9);
		ltmp |= (pT01->T01_modulation_type<<10);
		ltmp |= (pT01->T01_add_cts<<11);
		ltmp |= (pT01->T01_add_rts<<12);
		ltmp |= (pT01->T01_rts_cts_duration<<16);
		//pT01->value = cpu_to_le16( pT01->value );
		pT01->value = cpu_to_le32( ltmp );  //anson
	}
	#endif
	#endif //20061009 ----
	//---20061009 add by anson's endian
	pT00->value = cpu_to_le32(pT00->value);
	pT01->value = cpu_to_le32(pT01->value);
	//--end 20061009 add

}

///////////////////////////////////////////////////////////////////////////////
//Added by WangJS 2006.7.28
///////////////////////////////////////////////////////////////////////////////
u16 MDS_GetPacketSize(  PADAPTER Adapter ) // Get packet size
{
	return 0;
}

void MDS_GetNextPacket(  PADAPTER Adapter,  PDESCRIPTOR pDes )
{
}

void MDS_GetNextPacketComplete(  PADAPTER Adapter,  PDESCRIPTOR pDes )
{
}

void MDS_SendResult(  PADAPTER Adapter,  u8 PacketId,  unsigned char SendOK )
{
}

void MDS_EthernetPacketReceive(  PADAPTER Adapter,  PRXLAYER1 pRxLayer1 )
{
		OS_RECEIVE_PACKET_INDICATE( Adapter, pRxLayer1 );
}


